There is a vulnerability in iOS 8 that causes other iPhones running the operation system to crash or turn off remotely when you text these words to them:effective. Power لُلُصّبُلُلصّبُررً ॣ ॣh ॣ ॣ 冗 If this was text to other iOS 8 users, it will turn off the device by showing the apple logo and the black screen behind it as if it were turning off. A few seconds later it will go back to whatever state it was showing before.